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    <title>Document</title>
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<script type="module">
       
    import {isExistUser} from "../js/api.js";  
    var a = await isExistUser({user:"a123123"}); // Promise实例
    console.log(a);

    async function fn(){
        var a = await isExistUser({user:"a123123"}); // Promise实例
        console.log(a);
    }
    fn();

</script>
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